package BinaryTree;
/*
 * 二叉树初始化
 */
public class init {
    public static class TreeNode {
        int val;
        TreeNode left;
        TreeNode right;

        TreeNode () {
        }
        TreeNode(int val) { 
            this.val = val; 
        }
        TreeNode(int val, TreeNode left, TreeNode right) {
            this.val = val;
            this.left = left;
            this.right = right;
        }
        
    }
}
